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Finding the Fourth Proportional to 134,955.50, 202,295.01 and 56,115.50

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Solution

The fourth proportional to 134,955.50, 202,295.01 and 56,115.50 is: 84,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,955.50 : 202,295.01 = 56,115.50 : x
  2. Step 2: Convert to fraction form
    134,955.50/202,295.01 = 56,115.50/x
  3. Step 3: Cross multiply
    134,955.50x = 202,295.01 × 56,115.50
  4. Step 4: Simplify right side
    134,955.50x = 11,351,885,633.66
  5. Step 5: Solve for x
    x = 11,351,885,633.66/134,955.50
  6. Step 6: Final answer
    x = 84,115.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.